The big shopping day of the year has finally arrived: Black Fridayis here. For many people, the thrill of the hunt is motivationenough to endure overcrowded parking lots, 4 a.m. lines andcrushing amounts of people. But for others, it seems ludicrous thatpeople would willingly wake up at an ungodly hour to wade throughcrowds and snatch up items that may only continue to go down inprice as the holidays draw nearer. So why do we do it? What is itin our brains that makes the positive outweigh the negative when wedecide it's worth
